/Engine/Source/Runtime/GeometryCore/Public/OrientedBoxTypes.h
TOrientedBox3is a non-axis-aligned 3D box defined by a 3D frame and extents along the axes of that frame The frame is at the center of the box.
template<typename RealType> struct TOrientedBox3
TVector< RealTy...
Extents
Half-dimensions of box measured along the three axes
TFrame3< RealTy...
Frame
3D position (center) and orientation (axes) of the box